A group of kids must stop invaders before they take over Titus-and the rest of the universe-in this first book in a brand-new series from bestselling Pegasus author Kate O'Hearn, who masterfully blends mystery and mythology together. Fifteen years ago, Olympus was destroyed and the Olympians were resettled on Titus. Since then Earth has been declared a quarantined world. Neither Titans nor Olympians are allowed to visit and under no circumstances...